<template>
  <div>
    <el-form ref="deptForm" :model="form" :rules="rules" label-width="120px">
      <el-form-item label="部门名称" prop="name">
        <el-input
          v-model="form.name"
          style="width: 80%"
          placeholder="1-50个字符"
        />
      </el-form-item>
      <el-form-item label="部门编码" prop="code">
        <el-input
          v-model="form.code"
          style="width: 80%"
          placeholder="1-50个字符"
        />
      </el-form-item>
      <el-form-item label="部门负责人" prop="manager">
        <el-select
          v-model="form.manager"
          style="width: 80%"
          placeholder="请选择"
        >
          <el-option
            v-for="item in EmloyessList"
            :key="item.id"
            :value="item.username"
            :label="item.username"
          />
        </el-select>
      </el-form-item>
      <el-form-item label="部门介绍" prop="introduce">
        <el-input
          v-model="form.introduce"
          style="width: 80%"
          placeholder="1-300个字符"
          type="textarea"
          :rows="3"
        />
      </el-form-item>
      <el-form-item>
        <el-button type="primary" size="small" @click="hSubmit">确定</el-button>
        <el-button size="small" @click="$emit('close')">取消</el-button>
      </el-form-item>
    </el-form>
  </div>
</template>

<script>
import { getEmployeesSimple } from '@/api/employees'
import { addDepartments, getDepartmentsDetail, updateDepartments } from '@/api/departments'
export default {
  props: {
    id: {
      type: String,
      required: true
    },
    isEdit: {
      type: Boolean,
      required: true
    },
    originList: {
      type: Array,
      required: true
    }
  },
  data() {
    // 效验部门的编码的唯一性
    const valiCode = (rule, value, callback) => {
      console.log(value, 'value')
      // 获取所有数据中code
      let existCodeList = this.originList.map(item => item.code)
      console.log(existCodeList)
      // 编辑的状态，先移出自己的编码
      if (this.isEdit) {
        // 过滤出相等id的code，筛选出不相等id的code，返回新数组，在给新数组使用map方法，获取里面code
        existCodeList = this.originList.filter(item => item.id !== this.id).map(item => item.code)
      }
      // 判断用户输入的是否和数组里的code相等，相等不通过抛出错误
      if (existCodeList.includes(value)) {
        // 存在，抛出错误，提示用户改编码已存在
        callback(new Error(`部门编码:${value} 已存在`))
      } else {
        callback() // 放行
      }
    }
    // 效验部门的名称在同级不能重复
    const valiNmae = (rule, value, callback) => {
      let existNameLiset = this.originList.filter(item => item.pid === this.id).map(item => item.name)
      console.log(existNameLiset, '部门名称')
      if (this.isEdit) {
        // 通过id 使用find方法找到当前id编辑的对象，
        const curDepartment = this.originList.find(item => item.id === this.id)
        const pid = curDepartment.pid
        // 所有部门pid都是一样的通过pid找到所有兄弟包括自己
        const brothers = this.originList.filter(item => item.pid === pid)
        // 用filter方法筛选出不相同id的brothers对象，在用map方法获取里面的name
        existNameLiset = brothers.filter(item => item.id !== this.id).map(item => item.name)
        // console.log(brothers, '当前编辑的对象')
        // console.log(pid, '所有兄弟')
      }
      if (existNameLiset.includes(value)) {
        callback(new Error(`部门名称:${value} 已存在`))
      } else {
        callback()
      }
    }
    return {
      // 收集表单数据的对象
      form: {
        name: '',
        code: '',
        introduce: '',
        manager: ''
      },
      rules: {
        name: [
          { required: true, message: '部门名称不能为空', trigger: 'blur' },
          { min: 1, max: 50, message: '部门名称要求1-50个字符', trigger: 'blur' },
          { validator: valiNmae, trigger: 'blur' }
        ],
        code: [
          { required: true, message: '部门编码不能为空', trigger: 'blur' },
          { min: 1, max: 50, message: '部门编码要求1-50个字符', trigger: 'blur' },
          { validator: valiCode, trigger: 'blur' }
        ],
        manager: [
          { required: true, message: '部门负责人不能为空', trigger: 'blur' }
        ],
        introduce: [
          { required: true, message: '部门介绍不能为空', trigger: 'blur' },
          { min: 1, max: 300, message: '部门介绍要求1-300个字符', trigger: 'blur' }
        ]
      },
      EmloyessList: []
    }
  },
  // 3.方法3 解决数据不更新的方式
  // watch: {
  //   // 'id': function(newVal, oldVal) {
  //   //   console.log(newVal, oldVal)
  //   //   this.lodDepartmentsDetail()
  //   // }
  //   'id': {
  //     deep: true, // 开启深度
  //     immediate: true, // 组件一加载，就执行
  //     handler: function(newVal, oldVal) {
  //       this.lodDepartmentsDetail()
  //     }
  //   }
  // },
  created() {
    this.lodEmployeesSimple()
    console.log(this.originList, 100)
    if (this.isEdit) {
      this.lodDepartmentsDetail()
    }
  },
  methods: {
    // 重置表单的效验规则和数据
    resetForm() {
      this.$refs.deptForm.resetFields()
    },
    // 获取当前部门数据
    async lodDepartmentsDetail() {
      try {
        const res = await getDepartmentsDetail(this.id)
        console.log(res, '获取当前部门数据')
        this.form = res.data
      } catch (error) {
        console.log(error)
      }
    },
    hSubmit() {
      // 实现新增部门
      // this.isEdit ? '编辑操作' : '新增操作'

      // this.doAdd()
      this.$refs.deptForm.validate(valid => {
        if (!valid) return
        this.isEdit ? this.doEdit() : this.doAdd()
      })
    },
    // 编辑部门
    async doEdit() {
      try {
        const res = await updateDepartments(this.form)
        if (res.code !== 10000) return this.$message.error(res.message)
        this.$message.success(res.message)
        // 重新渲染数据，关闭弹层
        this.$emit('hSucces')
      } catch (error) {
        console.log(error)
      }
    },
    // 添加部门
    async doAdd() {
      try {
        const res = await addDepartments({ ...this.form, pid: this.id })
        // console.log(res, 110)
        if (res.code !== 10000) return this.$message.error(res.message)
        this.$message.success(res.message)
        // 重新渲染数据，关闭弹层
        // 子传父
        this.$emit('hSucces')
      } catch (error) {
        this.$message.error(error)
      }
    },
    // 获取数据
    async lodEmployeesSimple() {
      try {
        const res = await getEmployeesSimple()
        console.log(res, 60)
        if (res.code === 10000) {
          this.EmloyessList = res.data
        }
      } catch (error) {
        // console.log(error)
        this.$message.error(error)
      }
    }
  }
}
</script>

